| 2012 | EuroPar | Topic 10: Parallel Numerical Algorithms. | Iain S. Duff, Efstratios Gallopoulos, Daniela di Serafino, Bora Uar |
| 2006 | EuroPar | Topic 10: Parallel Numerical Algorithms. | Michel Cosnard, Hans-Joachim Bungartz, Efstratios Gallopoulos, Yousef Saad |
| 2006 | ICDM | Linear and Non-Linear Dimensional Reduction via Class Representatives for Text Classification. | Dimitrios Zeimpekis, Efstratios Gallopoulos |
| 2005 | SDM | CLSI: A Flexible Approximation Scheme from Clustered Term-Document Matrices. | Efstratios Gallopoulos, Dimitrios Zeimpekis |
| 2001 | EuroPar | Topic 19: Problem Solving Environments. | David W. Walker, Kenneth A. Hawick, Domenico Laforenza, Efstratios Gallopoulos |
| 2001 | ICS | Towards the effective parallel computation of matrix pseudospectra. | Constantine Bekas, Effrosini Kokiopoulou, Ioannis Koutis, Efstratios Gallopoulos |
| 1996 | ICPP | 3-D Land Avoidance and Load Balancing in Regional Ocean Simulation. | Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos |
| 1992 | ICS | Experiments with an ocean circulation model on CEDAR. | Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos |
| 1989 | ICS | On the parallel solution of parabolic equations. | Efstratios Gallopoulos, Yousef Saad |
| 1988 | ICS | Boundary integral domain decomposition of hierarchical memory multiprocessors. | Efstratios Gallopoulos, D. Lee |
| 1987 | ICS | A Parallel Block Cyclic Reduction Algorithm for the Fast Solution of Elliptic Equations. | Efstratios Gallopoulos, Yousef Saad |
| 1983 | ICPP | Numerical Experiments with the Massively parallel Processor. | Efstratios Gallopoulos, S. D. McEwan |